public class Dog extends Animal implements ISwimming, IRunning {
    public Dog(String name){
        super(name);
    }

    @Override
    public void run() {
        System.out.println(this.name+"正在跑步");
    }

    @Override
    public void swim() {
        System.out.println(this.name+"正在游泳");
    }
    }

